Doctor profile · Federal record

Dr. Matthew Cates, DO, MPH

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · San Antonio, TX

  • NPI 1295189330
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
303 N Frio St
San Antonio, TX 782073034
(210) 688-5792
Additional location
1245 16Th St Ste 309
Santa Monica, CA 904041239
(310) 319-4377
fax (310) 319-4425
Additional location
1625 Schrader Blvd
Los Angeles, CA 900286213
(323) 923-7500

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
July 6, 2020
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Texas #R9195 · California #20A17118

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295189330. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
67
Distinct HCPCS
3
Medicare allowed
$5,521
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 33 15 $123
90471 Administration of vaccine 21 14 $16
99213 Established patient office or other outpatient visit, 20-29 minutes 13 11 $87

In context: peer comparison

Among 172 peers in this city , average services per provider: 137. This provider delivers 0.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$65,627
Transactions
183
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
ViiV Healthcare Company 100 $58,031.70
Gilead Sciences, Inc. 33 $6,444.17
PFIZER INC. 6 $207.42
Merck Sharp & Dohme LLC 10 $170.62
Novo Nordisk Inc 7 $156.32
EMD Serono, Inc. 5 $153.29
Axsome Therapeutics, Inc. 6 $125.14
ABBVIE INC. 4 $98.39
Lilly USA, LLC 3 $69.57
Takeda Pharmaceuticals U.S.A., Inc. 3 $66.61
Antares Pharma, Inc. 3 $45.74
Napo Pharmaceuticals Inc 2 $42.34
AstraZeneca Pharmaceuticals LP 1 $16.18

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$48,750
Travel and Lodging
$7,456
Food and Beverage
$4,852
Consulting Fee
$4,570

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
788
Patients
61
Total drug cost
$1,355,064
Drug Type Claims Patients Total cost
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 171 24 $692,150
Dovato (Dolutegravir Sodium/Lamivudine) Brand 95 12 $286,324
Atorvastatin Calcium Generic 77 14 $946
Tramadol Hcl Generic 53 0 $789
Gabapentin Generic 49 0 $2,132
Bupropion Xl (Bupropion Hcl) Brand 42 0 $1,234
Farxiga (Dapagliflozin Propanediol) Brand 41 0 $28,517
Valacyclovir (Valacyclovir Hcl) Brand 38 0 $1,460
Clonazepam Generic 36 0 $386
Symtuza (Darunavir/Cob/Emtri/Tenof Alaf) Brand 36 0 $178,644

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Cates's medical specialty?
Dr. Matthew Cates practices Internal Medicine Physician in San Antonio, TX.
Where does Dr. Matthew Cates practice?
Dr. Matthew Cates practices at 303 N Frio St, San Antonio, TX 782073034. Office phone: 2106885792.
What is Dr. Matthew Cates's NPI?
Dr. Matthew Cates's National Provider Identifier (NPI) is 1295189330, issued by NPPES.
Does Dr. Matthew Cates accept Medicare assignment?
Yes. Dr. Matthew Cates accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Cates commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Administration of vaccine (HCPCS 90471); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.